Elastomer mixing unit

Agitating – Rubber or heavy plastic working – With specified vent means

Patent

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Details

366 97, 366139, B29B 786

Patent

active

058821120

ABSTRACT:
A mixing unit for mixing rubber has a mixing chamber and at least one rotor positioned therein. A drive, for driving the at least one rotor, is positioned exterior to the mixing chamber. The at least one rotor has a shaft penetrating outwardly from the mixing chamber and connected to the drive. An inlet opening is positioned at the top side of the mixing chamber. A first closure closes the inlet opening. An outlet opening is positioned at the bottom of the mixing chamber and can be closed by a second closure. At least one first connector is provided for affecting pressure in the mixing chamber. An air-tight enclosure for the shaft penetrating from the mixing chamber is provided. The enclosure has at least one second connector for affecting pressure in the enclosure.

REFERENCES:
patent: 2340022 (1944-01-01), Shellenberger
patent: 5476319 (1995-12-01), Blach
patent: 5716130 (1998-02-01), Wood

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